In this enlightening discussion, Stephen Plant, Dean at Trinity Hall, and Christiane Tietz, Professor of Systematic Theology, explore Karl Barth, a towering figure in 20th-century theology. They delve into Barth's radical shift from liberal theology, emphasizing divine revelation over human understanding. The conversation highlights Barth’s fierce resistance against Nazism, including the creation of the Barman Declaration. They also examine his complex relationships and the implications of his views on grace, showcasing his lasting impact on modern Christian thought.